A policeman blows a whistle of frequency 500 hz. A car approaches towards him with a velocity of 15m/s. Calculate the change in frequency as heard by the driver of the car as he passes the ploiceman
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Answer:
Velocity of sound in air = 330 m/s
Velocity of car = 15 m/s
Frequency of whistle = 500 Hz
So V1 = (330+15/330-15) X 500 = 547.62 Hz
Explanation:
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